we will continue on cbs in a moment. my new job at the refinery in the south. i'll never forget. it used one tank of petrol and i had to refill it twice with oil. a new car today has 95% lower emissions than in 1970. exxonmobil is working to improve cars, liners of tires, plastics which are lighter and advanced hydrogen technologies that could increase fuel efficiency by up to 80%. i mean, if we at coke zero can give the world... real coke taste with zero calories, why can't science give us an unlimited supply of do-overs? man! you dance like... man i-- i dance like a man? no, wait! ( laughter, smashing ) mmmm... we bent the rules of taste. physicists, isn't it time to bend time? ♪ da, da, da-da-da-da!